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Finding the Fourth Proportional to 110,027.80, 165,041.70 and 70,629.40

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Solution

The fourth proportional to 110,027.80, 165,041.70 and 70,629.40 is: 105,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,027.80 : 165,041.70 = 70,629.40 : x
  2. Step 2: Convert to fraction form
    110,027.80/165,041.70 = 70,629.40/x
  3. Step 3: Cross multiply
    110,027.80x = 165,041.70 × 70,629.40
  4. Step 4: Simplify right side
    110,027.80x = 11,656,796,245.98
  5. Step 5: Solve for x
    x = 11,656,796,245.98/110,027.80
  6. Step 6: Final answer
    x = 105,944.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.